**About dstgroup** dstgroup one of **Portugal biggest construction company**, operating at the crossroads of construction, engineering, and digital transformation. With a workforce of over 3,000 employees generating massive daily data streams, our mission is to build robust data foundations that empower advanced **AI and NLP teams**. We are seeking a **Data Engineer** to design and maintain scalable, high\-quality data pipelines that make data accessible, structured, and ready for model training and evaluation. Your work will directly enable our AI/NLP team to focus on innovation rather than data preparation. **What you will do** * Design, develop, and maintain **ETL/CRISP\-DM pipelines** to process diverse data streams into structured, reliable datasets. * Build and optimize **SQL\-based solutions**, with a focus on the **PostgreSQL ecosystem**, including: * **pgvector** for embedding storage and retrieval, * **PostGIS** for geospatial analysis, * **TimescaleDB** for time\-series data. * Implement and manage **REST APIs** to expose data products to downstream consumers. * Ensure data quality, governance, and reproducibility, with special focus on **textual/NLP data collections**. * Develop and maintain **containerized solutions with Docker**, ensuring reproducibility and scalability. * Use **Git and GitLab CI/CD pipelines** to automate testing, integration, and deployment of data workflows. * Collaborate with **AI/NLP teams** to understand their data requirements and deliver datasets optimized for model training, evaluation, and deployment. * Integrate open\-source tools with **Azure cloud services** for storage, orchestration, and monitoring. **What we are looking for** * 2\+ years of professional experience as a **Data Engineer** or in a similar role. * Strong proficiency in **SQL** and relational databases (especially PostgreSQL). * Hands\-on experience with **pgvector, PostGIS, or TimescaleDB**. * Experience designing REST APIs * Strong Python programming skills, preferably with **PySpark**. * Proficiency in **Docker** for development and production environments. * Experience with **Git** and **GitLab CI/CD**. * Familiarity with **Airflow** and **Azure cloud services**. * Previous experience collaborating with **AI/ML teams**, especially in preparing NLP datasets. * Good communication skills in English and ability to work in cross\-functional teams. **Nice to Have (not mandatory):** * Ph.D. in Computer Science, Artificial Intelligence, or a related field. * Experience both in Academia and Industry * Have a strong track record of scientific research (in any field), and have done work on information retrieval, knowledge representation and reasoning, structured knowledge extraction, or large\-scale data analytics. * Willingness to mentor younger members and co\-supervise master’s theses in collaboration with the universities of Minho and Porto. **What we offer** * The chance to shape the **data backbone** for one of Portugal’s biggest construction companies. * Work directly at the interface of **data engineering, AI, and NLP**, with immediate business impact. * Hybrid work model with flexibility. * Competitive salary and benefits package. * A collaborative, forward\-looking environment focused on innovation and data\-driven decision\-making. Send your CV to: \ or submit on the following form: \ Poderá encontrar o anúncio original publicado em: https://www.itjobs.pt/oferta/506443/data\-engineer